U.S. inflation · 1971–2021
$100 in 1971 has the same buying power as
$669
in 2021
| Cumulative price change | 569.1% |
|---|---|
| Average inflation rate | 3.87% per year |
| Converted amount ($100 base) | $669 |
| Price difference ($100 base) | $569 |
| CPI in 1971 | 40.5 |
| CPI in 2021 | 270.97 |
| Inflation in 1971 | 4.38% |
| Inflation in 2021 | 4.70% |
| $100 in 1971 → 2021 | $669 |
| $100 in 2021 → 1971 | $14.95 |
Between 1971 and 2021, the Consumer Price Index went from 40.5 to 270.97. Cumulatively, prices increased 569.1%, which works out to an average of 3.87% per year. Put differently, a dollar in 1971 bought what $0.15 buys in 2021.
| Amount in 1971 | Value in 2021 |
|---|---|
| $1.00 | $6.69 |
| $5.00 | $33.45 |
| $10.00 | $66.91 |
| $20.00 | $134 |
| $50.00 | $335 |
| $100 | $669 |
| $500 | $3,345 |
| $1,000 | $6,691 |
| $5,000 | $33,453 |
| $10,000 | $66,906 |
| $100,000 | $669,062 |
| $1,000,000 | $6,690,617 |
The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1971 spending costs in 2021, by category:
| Category | Avg. yearly inflation | $100 in 1971 → |
|---|---|---|
| All items (CPI-U) | 3.87% | $669 |
| Medical care | 5.50% | $1,455 |
| Energy | 4.49% | $899 |
| Housing | 4.08% | $739 |
| Food | 3.93% | $688 |
| Core (all items less food & energy) | 3.81% | $649 |
| Transportation | 3.59% | $584 |
| Apparel | 1.38% | $198 |
Not shown because the BLS began these indexes after 1971: recreation (1993–), education & communication (1993–).
| Year | CPI | Inflation rate | $100 from 1971 |
|---|---|---|---|
| 1971 | 40.5 | 4.4% | $100 |
| 1973 | 44.4 | 6.2% | $110 |
| 1975 | 53.8 | 9.1% | $133 |
| 1977 | 60.6 | 6.5% | $150 |
| 1979 | 72.6 | 11.3% | $179 |
| 1981 | 90.9 | 10.3% | $224 |
| 1983 | 99.6 | 3.2% | $246 |
| 1985 | 107.6 | 3.6% | $266 |
| 1987 | 113.6 | 3.6% | $280 |
| 1989 | 124 | 4.8% | $306 |
| 1991 | 136.2 | 4.2% | $336 |
| 1993 | 144.5 | 3.0% | $357 |
| 1995 | 152.4 | 2.8% | $376 |
| 1997 | 160.5 | 2.3% | $396 |
| 1999 | 166.6 | 2.2% | $411 |
| 2001 | 177.1 | 2.8% | $437 |
| 2003 | 184 | 2.3% | $454 |
| 2005 | 195.3 | 3.4% | $482 |
| 2007 | 207.342 | 2.8% | $512 |
| 2009 | 214.537 | -0.4% | $530 |
| 2011 | 224.939 | 3.2% | $555 |
| 2013 | 232.957 | 1.5% | $575 |
| 2015 | 237.017 | 0.1% | $585 |
| 2017 | 245.12 | 2.1% | $605 |
| 2019 | 255.657 | 1.8% | $631 |
| 2021 | 270.97 | 4.7% | $669 |
Long periods are sampled every 2 years; the calculator above covers any pair of years.
MLA: “Inflation from 1971 to 2021: $100 is worth $669 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1971-to-2021/
APA: InflationCalculator.com. Inflation from 1971 to 2021. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1971-to-2021/
Source: U.S. Bureau of Labor Statistics, CPI-U annual averages (series CUUR0000SA0; category indexes listed on the data sources page). See how these numbers are calculated.